Home / 90,196.77-135,341.85-65,441.15

Finding the Fourth Proportional to 90,196.77, 135,341.85 and 65,441.15

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Solution

The fourth proportional to 90,196.77, 135,341.85 and 65,441.15 is: 98,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,196.77 : 135,341.85 = 65,441.15 : x
  2. Step 2: Convert to fraction form
    90,196.77/135,341.85 = 65,441.15/x
  3. Step 3: Cross multiply
    90,196.77x = 135,341.85 × 65,441.15
  4. Step 4: Simplify right side
    90,196.77x = 8,856,926,383.35
  5. Step 5: Solve for x
    x = 8,856,926,383.35/90,196.77
  6. Step 6: Final answer
    x = 98,195.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.